Free tnpsc model questions Online Test - MeritNotes

No. of Questions :10
Remaining Time :
1. The cathode rays are ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

2. Electrons were discovered by ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

3. The specific charge was determined by ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

4. Which of the following is a coherent source of light?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

5. MASER stands for ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

6. According to Bohr’s postulates, which of the following quantities take discrete values?
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

7. Laser stands for ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

8. ____ is the best light source for optical fiber communication.
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

9. The chromium ions doped in the ruby rod ____
 
  • (a) 
  • (b) 
  • (c) 
  • (d) 

10. When canal rays pass through the gas, they ___ the gas.
 
  • (a) 
  • (b) 
  • (c) 
  • (d)